不同杀虫剂对刺槐突瓣细蛾的田间药效

目的]筛选防治刺槐突瓣细蛾的有效药剂。方法]采用小区试验研究不同杀虫剂对刺槐突瓣细蛾成虫、幼虫的田间药效。结果]对于成虫,施药后72 h,高效氯氰菊酯防治效果达93.3%~98.1%;灭幼脲悬浮剂的防治效果达85.7%~94.3%;阿维菌素乳油防治效果为81.0%~84.0%。对于幼虫,施药后72 h,灭幼脲悬浮剂的防治效果达93.7%~95.1%;乐斯本乳油防治效果达83.8%~86.3%;10%吡虫啉可湿性粉剂防治效果为77.2%~79.2%。结论]灭幼脲对刺槐突瓣细蛾成虫和幼虫均有较好的防治效果。

Field Control Efficacy of Different Insecticides on Chrysaster ostensackenella

Objective] Insecticides were screened out for controlling Chrysaster ostensackenella.Method] The field efficacy of different insecticides on the larvae and adult of C.ostensackenella was studied by plot test.Result] For adults,the control effects of beta cypermethrin against C.ostensackenella were between 93.3％ and 98.1％;the control effects of chlorbenzuron against C.ostensackenella were between 85.7％ and 94.3％;the control effects of abamectin against C.ostensackenella were between 81.0％ and 84.0％.For larvae,the control effects of chlorbenzuron against C.ostensackenella were between 93.7％ and 95.1％;the control effects of lorsban against C.ostensackenella were between 83.8％ and 86.3％;the control effects of imidacloprid against C.ostensackenella were between 77.2％ and 79.2％.Conclusion] Chlorbenzuron can be applied for controlling the larvae and adult of C.ostensackenella.